Home / 690,137.65-952,371.39-384,214.06

Finding the Fourth Proportional to 690,137.65, 952,371.39 and 384,214.06

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Solution

The fourth proportional to 690,137.65, 952,371.39 and 384,214.06 is: 530,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,137.65 : 952,371.39 = 384,214.06 : x
  2. Step 2: Convert to fraction form
    690,137.65/952,371.39 = 384,214.06/x
  3. Step 3: Cross multiply
    690,137.65x = 952,371.39 × 384,214.06
  4. Step 4: Simplify right side
    690,137.65x = 365,914,478,379.74
  5. Step 5: Solve for x
    x = 365,914,478,379.74/690,137.65
  6. Step 6: Final answer
    x = 530,205.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.